Digging tooth



FIG. 1 is a front, left side perspective view of a digging tooth showing our new design;

FIG. 2 is a top plan view of the digging tooth illustrated in FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left side view thereof with the right side view being a mirror image thereof;

FIG. 5 is rear elevational view thereof;

FIG. 6 is a front elevational view thereof; and,

FIG. 7 is a rear, left side perspective view of the digging tooth showing our new design. 

The ornamental design for a digging tooth, as shown and described. 